US3229050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
External-pressure vessel
Assignee: Pacific Press and Shear Corp
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Filing: 1962-11-19
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Granted: 1966-01-11
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Expires: 1982-11-19
Abstract
No abstract record available.
Inventors
- 👤 Eugene W Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:42
CPC Classifications
B; B63; B63B; B63B3/00; B63B3/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A VESSEL ADAPTED TO WITHSTAND HEAVY EXTERNAL PRESSURE WITHOUT COLLAPSING, COMPRISING A FRAME INCLUDING A PAIR OF END WALLS, FRAME MEMBERS CONNECTING SAID END WALLS, SAID FRAME MEMBERS BEING SUBSTANTIALLY PARALLEL TO EACH OTHER IN SPACED RELATIONSHIP; A PLURALITY OF INWARDLY CONCAVE SIDE WALLS, EACH EXTENDING BETWEEN A PAIR OF SAID FRAME MEMBERS AND BETWEEN SAID END WALLS; MEANS RELEASABLY ANCHORING SAID SIDE WALLS TO SAID FRAME MEMBERS AND TO SAID END WALLS, TO PERMIT RELEASE OF SAID SIDE WALLS THEREFROM WITH A LITTLE LIKELIHOOD OF DAMAGE TO SAID SIDE WALLS AND SAID FRAME THEREBY PERMITTING SIMPLE REASSEMBLY OF SAID VESSEL; AND MEANS SEALING THE EDGES OF EACH OF SAID CONCAVE SIDE WALLS TO SAID FRAME.
Claim 2
Dependent Claim
116 words
A VESSEL ADAPTED TO WITHSTAND HEAVY EXTERNAL PRESSURE WITHOUT COLLAPSING, COMPRISING A FRAME INCLUDING A PAIR OF END WALLS, FRAME MEMBERS CONNECTING SAID END WALLS, SAID FRAME MEMBERS BEING SUBSTANTIALLY PARALLEL TO EACH OTHER IN SPACED RELATIONSHIP; A PLURALITY OF INWARDLY CONCAVE SIDE WALLS, EACH EXTENDING BETWEEN A PAIR OF SAID FRAME MEMBERS AND BETWEEN SAID END WALLS; MEANS RELEASABLY ANCHORING SAID SIDE WALLS TO SAID FRAME MEMBERS AND TO SAID END WALLS, TO PERMIT RELEASE OF SAID SIDE WALLS THEREFROM WITH A LITTLE LIKELIHOOD OF DAMAGE TO SAID SIDE WALLS AND SAID FRAME THEREBY PERMITTING SIMPLE REASSEMBLY OF SAID VESSEL; AND MEANS SEALING THE EDGES OF EACH OF SAID CONCAVE SIDE WALLS TO SAID FRAME.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |